https://devzone.nordicsemi.com/f/nordic-q-a/45688/secure-bootloader-compile-failureSDK 15.2 SD API 6.1 SES I am trying to get my system to work on a DFU system. In order to do it i need to have a secure bootloader. using the secure bootloader in the example folders, i try and make the secure_bootloader\pca10040_ble\armgcc\Makefileen-USTelligent Community 13Wed, 03 Apr 2019 12:36:50 GMThttps://devzone.nordicsemi.com/thread/179999?ContentTypeID=1Wed, 03 Apr 2019 12:36:50 GMT137ad170-7792-4731-bb38-c0d22fbe4515:49c59d73-f198-4fdf-94a6-bbcf212ddad3AndreasF<p>Hi.</p> <p>Can you try to downgrade the GCC compiler you use, to for example 7 2018-q2-update?</p> <p>There has been some issues with the latest version.</p> <p>Best regards,</p> <p>Andreas</p><div style="clear:both;"></div>